From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B6DC1073CA4 for ; Wed, 8 Apr 2026 12:11:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4BRZY+pcnQ08ylQgO8G9gh28UYxAOGWlZSbhClXBliw=; b=0LvWfQDbWZ9Qsp1mVCx1CzWye1 ifHqPwrrDDoWEeIDxnh0ChmhccE3ext8UECsapIKO/GRqK/bGfgiq+O6kUWPnBmXRLJIC4ilA5dxB oapAfEBX8pmLNjvicfP1KOiXaUs/fMPoHBe05h2c4KiE/CyOewZwJD7pnkuQKGvTEBnxlfSqlsJpz kTu+sz505QDnp5niMvyGIuDkdmJf0DVYzpUMFUQokDdhlGzL/TJTgWIRVOddddkGXauZXTJZwG4HY 06/f5sj5ALS4b/ehHw1kjobtEPhqNc8D+i7A9HvsDD75tn+gWzXdxYN0bv+JXNsdUE5/7C/8ALget LT+ryZ6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wARkz-00000008ncb-2d9R; Wed, 08 Apr 2026 12:11:41 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wARkx-00000008ncG-13jb for linux-arm-kernel@lists.infradead.org; Wed, 08 Apr 2026 12:11:40 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 578674454B; Wed, 8 Apr 2026 12:11:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1987C2BCB0; Wed, 8 Apr 2026 12:11:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775650298; bh=Ol+xkN6yaT23Br6Zs3lLHk19S4Qvt/lfnkQJSV9CpQc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=TAkH2mAKU9+L0aYV86ZGKaI1Udhi48E07kE9syr+C0cYRaY7VSH8uj0mBczjN+P+O 9BT6kqIYyxW2CeaNpFeuEqq8ZyT55dtf+rM/6WHiAjLM8Sz5QqSkxDCWmWXi4arYlN kqFm7R/hLIhvb0iy+4osKVJMvIRUj5ZeAiBEL5+LRCb5uEhQBGGmLHyxoWp3R2TDDz sBWxJGW131iejvn/cnrUdaZU/USSZLjRJrEMiRQiiYEqp3oC8ipfv7JblWXjHp8sv2 B3BmlcbD7XIzfP1Y9qB+ZLnQJA258wJfBSU/vDn48ESNv8vXRSG8YTHIrZA9ddhu3e wpChoH8SkHo8w== Message-ID: <628a1d9b-cc16-4cf6-8c19-b6ed49af8492@kernel.org> Date: Wed, 8 Apr 2026 14:11:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC V1 05/16] arm64/mm: Convert READ_ONCE() as pmdp_get() while accessing PMD To: Anshuman Khandual , linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ryan Roberts , Mark Rutland , Lorenzo Stoakes , Andrew Morton , Mike Rapoport , Linu Cherian , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com References: <20260224051153.3150613-1-anshuman.khandual@arm.com> <20260224051153.3150613-6-anshuman.khandual@arm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260408_051139_364184_F0DB13A3 X-CRM114-Status: UNSURE ( 5.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/24/26 06:11, Anshuman Khandual wrote: > Convert all READ_ONCE() based PMD accesses as pmdp_get() instead which will > support both D64 and D128 translation regime going forward. You should mention the move from pmdp_test_and_clear_young(), and why it is performed. Nothing else jumped at me :) -- Cheers, David